When something is Gothic and Awesome, it is Gawsome. This term was created in the 5th episode of "Goth Lyfe", the internet flash series, along with other "gawsome" terms.
(Episode: Goth Lyfe 5: Goth Slang)
Scepter:What? There is a sale on leather and spikes?
Mace: Yah, let's go to the Goth Store.